Presence is an internal psychological construct, so you can’t measure it directly. Maybe you could do some brain monitoring with EEG devices and try to somehow correlate that to a sense of presence. But it’s not something you can just observe naturally in the world. 3

Presence is something that VR allows, but it’s not automatic. It’s something that you need to create and you need to cultivate within a scene, and certain things enhance presence and certain things hurt presence. Defining the viewer – the nature of the viewer – is something I think needs a certain degree of coherence. That doesn’t mean that the viewer needs to have a very clear definition, but you need to understand who or what the viewer is as you create a piece. Otherwise the viewer is just a camera, and that’s the fastest way to kill presence…4